//
//  WYXSubject.h
//  ObserverPattern
//  注册、移除通知的各接口
//  Created by ying on 2016/12/14.
//  Copyright © 2016年 ying. All rights reserved.
//

#import <Foundation/Foundation.h>

@protocol WYXSubject <NSObject>

- (void)registerObserver:(id)obj;
- (void)removeObserver:(id)obj;
- (void)notifyObervers:(NSDictionary *)data;

@end
